As her high school journey nearly comes to an end, Mariela Solisidad Esperanza becomes determined to graduate as the valedictorian of her batch and earn more credentials for college rather than enjoying her final year to the fullest. But her determination was tested when Rigil Matheson Rivadenera decided to spend his senior year at the same university. Little did she know, he would be the cause of her biggest mistake... a beautiful mistake.

Sarinah Franshey Monteverde has the life every girl dreams of. With just one snap of her finger, she can easily get what she wants. A life with no pressure and limitation. She grew up without enduring the hardship of life, as she lives in a wealthy family. As the only child, her parents treasure her and treat her like a baby. Her dad spoils her too much and does anything just to make her happy. While her mom, who is also her bestie, only wants what's best for her. But right after she turned 19, she was betrayed by her own mother after knowing that she was bound to marry Calihson Franco Ferrer, the unico hijo of her mom's best friend.

Vinaux Gabriel Monteverde is one of the brightest stars living in his universe, admired by many students because of his talent and undeniable visual. As the guitarist of a popular band on campus, he seems to have everything girls dream of. Living in a different universe, Felicity Shayne Villegas, a dedicated high school student, just wants to graduate and pursue her dream to escape the cruelty and toxicity of the life she has always known. He shines under the spotlight of his universe, while she continues searching for light in her dark world. But what happens when these two opposite universes collide... again?

After what her ex-boyfriend did to her, Yzel Lexine Salvador promised herself that she would not fall for someone again because she believed that falling in love may be the best but also the worst thing that could happen in her life. Not until she became close to Zyke Tyson Monteverde, her twin sister's first love.

They say that women take fifteen days to fall in love, while men only take seconds to know if she's the one. Pero paano kung bago pa lang kayo magkita ay alam niyong mahal niyo na ang isa't isa? Just like Eliyah and Zeshua. Eliyah's high school life is as simple as plain rice... not until she met Zeshua, the guy who fills her stomach with butterflies while giving him death stares.

Compilation of untold scenes happened in High School Series.